300 Winchester Magnum there were already a number of. JSTOR ( October 2022) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: ".300 Winchester Magnum" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification. As a testament to its accuracy, following its introduction, it went on to win several 1,000-yard (910 m) competitions. Military and law enforcement departments adopted the cartridge for long-range use, particularly by snipers. It is a popular selection for hunting moose, elk, and bighorn sheep as it can deliver better long-range performance with heavier bullet weights than many other. 30 caliber magnum with American hunters, despite being surpassed in performance by the more powerful. Many hunters have found the cartridge to be an effective all-around choice with bullet options ranging from the flatter shooting 150 grain to the harder-hitting 200+ grain selections available in factory ammunition. 300 Win Mag is extremely versatile and has been adopted by a wide range of users including big game hunters, target shooters, military units, and law enforcement departments. 375 H&H Magnum, which has been blown out, shortened, and necked down to accept a. 300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. 300 WM) (7.62×67mmB, 7.62圆6BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. Source(s): Accurate Powders load guide v3.5 Hodgdon powders achieve approx 100fps less. This bullet has a ballistic coefficient of 0.300 Winchester Magnum (center) flanked by its parent cartridges: the. Once the bullet crosses the sound barrier, it either tumbles or moves onto a new trajectory caused by disturbance. We can see how the velocity of the projectile is about to breach the sound barrier speed. 308 Winchester 168gr SMK bullet (muzzle velocity of 2500fps) is 800 meters, at standard sea-level pressure. From this point onward, the projectile’s trajectory most often becomes indeterminable and accuracy is lost.Ībove: the effective range of this. The velocity at which your projectile will breach the sound barrier sits at around 343mps or 1,125fps (in dry air, at 20☌). Tip: ballistic coefficient (BC), which is a figure representing your bullet’s ability to overcome air resistance in flight, can be found on the ammunition box or the manufacturer’s website. Your rifle’s current effective range can be determined by entering the muzzle velocity, your projectile’s ballistic coefficient, and your average atmospheric pressure into a ballistics calculator, and then determining at which point your projectile transitions from supersonic to subsonic speed – known as the bullet’s transonic range.
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